Other paths would include making nuclear fission cheap enough and safe enough that people broadly embrace it, so that could be scaled up.

The barrier to change is not too little caring; it is too much complexity. To turn caring into action, we need to see a problem, see a solution, and see the impact. But complexity blocks all three steps.

Nuclear energy, in terms of an overall safety record, is better than other energy.

When I was in my 40s, Microsoft was my primary activity.

This social-networking thing takes you to crazy places.

I reboot [my Windows PC] every night.

By helping us to be more productive, technology lets us to spend less time focusing on survival, and more on solving other challenges.